diff --git a/home/modules/git.nix b/home/modules/git.nix
index 783f8f5..38a0b8a 100644
--- a/home/modules/git.nix
+++ b/home/modules/git.nix
@@ -6,8 +6,6 @@
 }:
 
 {
-  home.packages = [ pkgs.pre-commit ];
-
   programs.git = {
     enable = true;
     lfs.enable = true;
diff --git a/hosts/xps15/configuration.nix b/hosts/xps15/configuration.nix
index 20c8416..edcdf5b 100644
--- a/hosts/xps15/configuration.nix
+++ b/hosts/xps15/configuration.nix
@@ -145,6 +145,7 @@
   ];
 
   nix.settings = {
+    auto-optimise-store = true;
     experimental-features = [
       "nix-command"
       "flakes"
@@ -155,5 +156,11 @@
     ];
   };
 
+  nix.gc = {
+    automatic = true;
+    dates = "weekly";
+    options = "--delete-older-than 7d";
+  };
+
   system.stateVersion = "24.11";
 }